Comment 2 for bug 864813

StacktraceTop:
 g_object_notify (object=0x866e350, property_name=0xb7684722 "accessible-value") at /build/buildd/glib2.0-2.30.0/./gobject/gobject.c:1003
 gtk_range_accessible_value_changed (adjustment=0x85ea658, data=0x866e350) at /build/buildd/gtk+3.0-3.2.0/./gtk/a11y/gtkrangeaccessible.c:38
 g_cclosure_marshal_VOID__VOID (closure=0x884f168, return_value=0x0, n_param_values=1, param_values=0x8653938, invocation_hint=0xbf975280, marshal_data=0x0) at /build/buildd/glib2.0-2.30.0/./gobject/gmarshal.c:85
 g_closure_invoke (closure=0x884f168, return_value=0x0, n_param_values=1, param_values=0x8653938, invocation_hint=0xbf975280) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=0x856f8c0, detail=0, instance=0x85ea658, emission_return=0x0, instance_and_params=0x8653938) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272